Transition to toddler bed

Hi mamas! For those of you who recently had another babe or will in the next few months - Have you already moved your Oct 18’ baby to a toddler bed? My kiddo has never attempted climbing out of her crib but I am due with a little sister in 3 months (end of Oct). I thought keeping her in the crib would be best to avoid losing sleep training her in a new bed while pregnant and so if my Oct 18’ baby is disturbed by our newborn at night she would be contained in the crib. Now I’m realizing it’s going to be hard to get my toddler in/out of her crib at the end of pregnancy and after my scheduled csection for little sister. Luckily I will have help after the csection but wondering if anyone has any advice? TIA!